package com.jiazhong.servlets;


import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


/**
 * @Auther:shuXin
 */
/*
创建Servlet的这个实体类，这个类要实现servlet的接口(但是实现的方法比较多，所以我们继承一盒HttpServlet类)
 */
@WebServlet("/servletTestD")
public class ServletTestD extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //获取请求的参数
        String username = req.getParameter("username");
        System.out.println(username);
        //得到域中的值
        String username1 = (String) req.getAttribute("username");
        System.out.println(username1);

        //响应重定向的页面
        resp.getWriter().write("执行了操作");
    }
}
